Home / 686,257.92-1,029,524.31-236,995.20

Finding the Fourth Proportional to 686,257.92, 1,029,524.31 and 236,995.20

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Solution

The fourth proportional to 686,257.92, 1,029,524.31 and 236,995.20 is: 355,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,257.92 : 1,029,524.31 = 236,995.20 : x
  2. Step 2: Convert to fraction form
    686,257.92/1,029,524.31 = 236,995.20/x
  3. Step 3: Cross multiply
    686,257.92x = 1,029,524.31 × 236,995.20
  4. Step 4: Simplify right side
    686,257.92x = 243,992,319,753.31
  5. Step 5: Solve for x
    x = 243,992,319,753.31/686,257.92
  6. Step 6: Final answer
    x = 355,540.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.